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Arc Of Attrition by UTMB

Arc Of Attrition by UTMB 2027

22.01 – 24.01.2027Cornwall (United Kingdom)
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4 courses · 22.1–173 km13.7–107.5 mi · up to 5’507 m D+up to 18’068 ft D+

At a glance

Arc Of Attrition by UTMB 2027 takes place from Friday 22 to Sunday 24 January 2027 in Cornwall (England, United Kingdom). 4 courses from 22.1 to 173 km.

Longest course: Arc 100M, 173 km with 5’507 m D+ (32 m per km: hilly terrain). It has 20 aid stations and 9 cutoffs. Terrain: 77% trail, 3% forest track and 19% road. Terrain data: © OpenStreetMap contributors.

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Arc of Attrition by UTMB® is one of the UK's most iconic coastal ultra marathons, taking runners along the spectacular South West Coast Path through some of Cornwall's most dramatic…
From the organiser

4 courses

  1. 22.1km13.7mi

    744 m D+2’441 ft D+

    746 m D-2’448 ft D-

    avg 3%

    Arc 20K

    24.01. 11:00 · 5 aid stations

    UTMB Index 20K1
    GPX
  2. 49.4km30.7mi

    1’458 m D+4’783 ft D+

    1’359 m D-4’459 ft D-

    avg 3%

    Arc 50K

    24.01. 09:00 · 8 aid stations

    UTMB Index 50K2
    GPX
  3. 82.7km51.4mi

    2’708 m D+8’885 ft D+

    2’558 m D-8’392 ft D-

    avg 3%

    Arc 100K

    23.01. 10:00 · 9 aid stations

    UTMB Index 100K3
    GPX
  4. 173km107.5mi

    5’507 m D+18’068 ft D+

    4’714 m D-15’466 ft D-

    avg 3%

    Arc 100M

    22.01. 13:00 · 20 aid stations

    UTMB Index 100M4
    GPX

Course analysis

173 km107.5 mi5’507 m D+18’068 ft D+

228effort kmⓘ173 km on the map · feels like 228 km107.5 mi on the map · feels like 228 km
D+
5’507 m18’068 ft
D−
4’714 m15’466 ft
Max alt.
121 m397 ft
Steepest
15%

Segments

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Elevation profile: Arc 100M

-1 m – 121 m-3 ft – 397 ft

Terrain

Aid station by aid station

Terrain, climb and cutoff between each aid station.

  1. Coverack → Cadgwith km 0 → 11.5km 0 → 7.1

    11.5 km7.1 mi · +347 m1’138 ft · −362 m1’188 ft

  2. Cadgwith → Lizard Point km 11.5 → 17.3km 7.1 → 10.8

    5.9 km3.6 mi · +211 m692 ft · −195 m640 ft · Cutoff Fri 16:30

  3. Lizard Point → Mullion km 17.3 → 28.2km 10.8 → 17.5

    10.9 km6.8 mi · +295 m968 ft · −273 m896 ft

  4. Mullion → Porthleven km 28.2 → 40.3km 17.5 → 25

    12.1 km7.5 mi · +279 m915 ft · −325 m1’066 ft · Cutoff Fri 20:30

  5. Porthleven → Praa Sands km 40.3 → 47.9km 25 → 29.8

    7.6 km4.7 mi · +256 m840 ft · −245 m804 ft

  6. Praa Sands → Marazion km 47.9 → 58.4km 29.8 → 36.3

    10.5 km6.5 mi · +249 m817 ft · −259 m850 ft

  7. Marazion → Penzance km 58.4 → 64.8km 36.3 → 40.2

    6.4 km4 mi · +9 m30 ft · −9 m30 ft · Cutoff Sat 01:00

  8. Penzance → Mousehole km 64.8 → 69.2km 40.2 → 43

    4.5 km2.8 mi · +51 m167 ft · −30 m98 ft

Elevation figures are measured by Kliva on the course trace. Cutoffs are the organiser's.

Race plan

Plan your race from start to finish.

Pacing, aid stations and fueling timed to your effort on Arc Of Attrition by UTMB, in one roadbook.

Includes this race's official aid stations and cutoff times.

Where to stay

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